W=Ar/M
W(H2)=2/65=0,04=4%
W(C)=12/65=0,19=19%
W(H2)+W(C)=4%+19%=23%
W(O3)=100%-23%=77%
ответ:w(H)-4%w(C)-19% w(O)-77%
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W=Ar/M
W(H2)=2/65=0,04=4%
W(C)=12/65=0,19=19%
W(H2)+W(C)=4%+19%=23%
W(O3)=100%-23%=77%
ответ:w(H)-4%w(C)-19% w(O)-77%